--- product_id: 291830566 title: "COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro r, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy" brand: "hm digital" price: "β‚Ή 5638" currency: INR in_stock: true category: "Hm Digital" url: https://www.desertcart.in/products/291830566-com-80-electrical-conductivity-ec-and-total-dissolved-solids-hydro store_origin: IN region: India --- # 0-5000 ppm TDS range Waterproof design 0.5 sec fast response COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro r, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy **Brand:** hm digital **Price:** β‚Ή 5638 **Availability:** βœ… In Stock ## Summary > πŸ’§ Stay ahead of the curve with precision water testing that professionals trust! ## Quick Answers - **What is this?** COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro r, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy by hm digital - **How much does it cost?** β‚Ή 5638 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/291830566-com-80-electrical-conductivity-ec-and-total-dissolved-solids-hydro) ## Best For - hm digital enthusiasts ## Why This Product - Trusted hm digital brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Speed Meets Reliability:** Instant 0.5-second response time means no waitingβ€”get real-time data when it matters most. - β€’ **User-Friendly & Durable:** Waterproof, lightweight, and ergonomically designed for comfortable, on-the-go testing in any environment. - β€’ **Precision at Your Fingertips:** 1 ppm resolution ensures ultra-accurate EC and TDS readings for flawless water quality control. - β€’ **Effortless Calibration & Power:** Push-button digital calibration and auto shut-off maximize convenience and battery life. - β€’ **Smart Temperature Compensation:** Automatic Temperature Compensation (ATC) guarantees consistent results regardless of water temperature. ## Overview The HM Digital COM-80 is a compact, waterproof EC and TDS meter offering a wide 0-5000 ppm range with 1 ppm resolution and 2% accuracy. Featuring rapid 0.5-second readings, automatic temperature compensation, and easy digital calibration, it’s perfect for hydroponics, aquariums, pools, and commercial water quality monitoring. Lightweight and battery-powered, it delivers reliable, professional-grade performance wherever you need it. ## Description Product Description: NEW! The COM-80 is an economically priced, reliable EC/TDS meter (ppm pen / nutrient r) that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Also great for commercial applications, such as boilers and cooling towers and filtration and purification systems. ## Features - Measures electrical conductivity (EC), TDS and temperature. - Automatic Temperature Compensation (ATC) - Hold button and Auto shut-off - Digital Calibration (push button) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B008SOPO10 | | Additional Features | Waterproof | | Age Range Description | All Ages | | Battery Life | 2 years | | Brand Name | HM Digital | | Color | Blue | | Customer Reviews | 4.4 4.4 out of 5 stars (753) | | Display Type | Digital | | Global Trade Identification Number | 00891144000229 | | Immersion Depth | 15.5 Centimeters | | Included Components | Protective cap, 3 x 1.5V button cell batteries (LR44 or equivalent) | | Indoor Outdoor Usage | Outdoor | | Inner Material | Plastic/Rubber | | Item Length | 15.3 Centimeters | | Item Weight | 59 g | | Manufacturer | HM Digital | | Model | EC/TDS HydroTester Series | | Model Name | EC/TDS HydroTester Series | | Number of Batteries | 3 LR44 batteries required. | | Outer Material | Plastic | | Part Number | COM-80 | | Power Source | Battery Powered | | Product Care Instructions | Wipe Clean | | Resolution | 1 ppm | | Response Time | 0.5 seconds | | Reusability | Rechargeable | | Smart Home Compatibility | Not Smart Home Compatible | | Style Name | Contemporary | | UPC | 891144000229 | | Unit Count | 1 Count | | Upper Temperature Range | 9990 Degrees Celsius | ## Product Details - **Age range (description):** All Ages - **Brand:** HM Digital - **Colour:** Blue - **Included components:** Protective cap, 3 x 1.5V button cell batteries (LR44 or equivalent) - **Special features:** Waterproof ## Images ![COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro r, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy - Image 1](https://m.media-amazon.com/images/I/61o4J+qE4wL.jpg) ## Questions & Answers **Q: will this measure ammonia?** A: It will not measure ammonia. **Q: It serves to measure colloidal silver?** A: I Use It To Measure The Electrical Conductivity Of Water AndTo Determine The Parts Pert Million Of Any Particulants In A Solution, In My Case Water. **Q: Does it measure EC with a decimal point, i.e. 3.5?** A: Depends on scale used. 0 - 9999us scale (1.0 resolution) 0 - 9.9ms scale (0.1 resolution) **Q: does this measure ph, salt, chlorine levels?** A: No, this meter measures EC (electroconductivity) and TDS (total dissolved solids) on four scales: EC: Β΅S, mS; TDS: ppm, ppt ## Frequently Bought Together - HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy - HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume, Transparent/Blue - HM Digital 1000ppm TDS Calibration Solution --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.in/products/291830566-com-80-electrical-conductivity-ec-and-total-dissolved-solids-hydro](https://www.desertcart.in/products/291830566-com-80-electrical-conductivity-ec-and-total-dissolved-solids-hydro) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-05-29*